Q
Which statement accurately describes the use of comments to prevent execution in JavaScript?

Answer & Solution

Answer: Option D
Solution:
Related Questions on Average

What happens if you mix single-line and multi-line comments incorrectly in JavaScript?

A). It will cause the code to execute twice

B). It will result in a syntax error

C). It will create a new comment type called hybrid comments

D). It will disable all comments in the code block

Which type of comments is commonly used to prevent code execution temporarily?

A). Single-line comments

B). Multi-line comments

C). Inline comments

D). Block comments

What is the purpose of using comments to prevent execution in programming?

A). To increase code execution speed

B). To improve code readability

C). To disable specific code segments temporarily

D). To add complexity to the code structure

In JavaScript, what is the syntax for a single-line comment?

A). // This is a comment

B). /* This is a comment */

C). # This is a comment

D).

What should developers do before deploying code that contains disabled code segments using comments?

A). Ensure that all comments are removed

B). Ensure that comments are added for each line of disabled code

C). Ensure that the code is well-documented with comments explaining the disabled segments

D). Ensure that the code contains sufficient debugging information to enable the disabled segments

How can multi-line comments be used to disable specific code blocks in JavaScript?

A). By adding a DISABLED keyword at the beginning of the code block

B). By enclosing the code block in /* */

C). By using single-line comments // to comment out the code block

D). By adding the disable: true attribute to the code block

How can a developer disable a block of code using multi-line comments in JavaScript?

A). By adding a semicolon ; at the end of each line of code

B). By using the disable keyword

C). By wrapping the code block in /* */

D). By using the disableCode function

Which of the following is a valid way to prevent the execution of code in JavaScript temporarily?

A). By adding a DEBUG keyword at the end of each line of code

B). By wrapping the code block with {}

C). By using single-line comments // to comment out the code

D). By adding the execute: false attribute to the code block

In JavaScript, what is the purpose of using multi-line comments to prevent execution?

A). To provide detailed explanations about the code

B). To execute the code block

C). To improve code performance

D). To increase code complexity

How can comments be used effectively to prevent execution without altering the code structure in JavaScript?

A). By using comments to add complexity to the code structure

B). By adding comments at the beginning and end of the code block

C). By wrapping the code block in multi-line comments and leaving a clear explanation

D). By replacing the code with a placeholder string